Unusual stability of ground ferrimagnetic state in Tm2Fe17 under pressure

被引：2

作者：

Arnold, Z. ^{[1
]}

Kuchin, A. G. ^{[2
]}

Kamarad, J. ^{[1
]}

Platonov, S. P. ^{[2
]}

机构：

[1] Inst Phys AS CR Vvi, Na Slovance 2, Prague 18221 8, Czech Republic

[2] RAS, Ural Div, MN Miheev Inst Met Phys, 18 S Kovalevskaya Str, Ekaterinburg 620219, Russia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2018年 / 460卷

关键词：

Rare-earth - iron intermetallics; High pressure; Magnetic phase transitions; Ferrimagnetic ordering; Helimagnetic ordering; Spin-reorientation transition; R2FE17; COMPOUNDS; MAGNETIZATION; TRANSITION; ANISOTROPY; FE;

D O I：

10.1016/j.jmmm.2018.03.066

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnetic properties of the near-stoichiometric Tm2Fe16 and Tm2Fe19 compounds under hydrostatic pressures up to 1 GPa were studied. We have revealed that the high-temperature ferrimagnetic state easily magnetized in the basal plane is very sensitive to the volume changes and even moderate pressure is sufficient to its complete suppression and transformation to a helimagnetic state. At the same time, the low-temperature ferrimagnetic state easily magnetized along the hexagonal axis does not disappear under pressure and the temperature of its transition to the high-temperature magnetic states increases under pressure. The remarkable stability of the ground ferrimagnetic state under external pressure can be attributed to the strengthening of the uniaxial magnetic anisotropy and to the mutual perpendicular orientation of the magnetic moments in the ground and the high-temperature magnetic states. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：188 / 192

页数：5

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